/* ==========================================================================
   monco.io — labs.css
   Lab-first components: lab cards (hub), cycle loop, lab pages theming.
   Theming pattern: body.lab + --lab / --lab-r set inline per page.
   ========================================================================== */

/* ===================== Lab theming scope ===================== */
/* Each lab page sets on <body>:
   style="--lab:#ff6b35; --lab-r:255,107,53" + class="lab lab-spark"
   This recolours every brand-driven variable from main.css, including
   --accent (which must be re-declared here: vars resolve at :root, so an
   override of --f-brand alone would NOT recolour --accent). */
body.lab {
  --lab:        #d4ff3a; /* fallback — always set inline per lab page */
  --lab-r:      212,255,58;
  --f-brand:    var(--lab);
  --f-brand-h:  var(--lab);
  --f-brand-a:  var(--lab);
  --f-brand-bg:  rgba(var(--lab-r), .10);
  --f-brand-bg2: rgba(var(--lab-r), .05);
  --accent:      var(--lab);
  --accent-soft: rgba(var(--lab-r), .10);
}

/* kill every hardcoded-lime remnant from main.css inside a lab page */
body.lab .nav::after { background: linear-gradient(90deg, rgba(var(--lab-r), .05) 0%, transparent 40%); }
body.lab .nav-cta {
  color: var(--lab);
  border-color: rgba(var(--lab-r), .3);
  background: rgba(var(--lab-r), .05);
}
body.lab .nav-cta:hover { background: var(--lab); color: #0a0a0a; }
body.lab .btn-primary:hover { box-shadow: 0 8px 28px rgba(var(--lab-r), .35), var(--f-shadow8); }
body.lab .nav-logo-dot { background: var(--lab); box-shadow: 0 0 12px var(--lab); }
body.lab .cyc:hover { border-color: rgba(var(--lab-r), .4); }
body.lab .cyc:first-child, body.lab .cyc:nth-last-child(2) { border-color: rgba(var(--lab-r), .35); }

/* ===================== Hero ===================== */
.lab-hero {
  padding: 90px 32px 70px;
  max-width: var(--max-width);
  margin: 0 auto;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(ellipse 60% 80% at 0% 0%, rgba(var(--lab-r), .07) 0%, transparent 60%),
    radial-gradient(ellipse 40% 60% at 100% 100%, rgba(var(--lab-r), .04) 0%, transparent 60%);
}
.lab-domain {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  font-size: 11px;
  font-weight: 600;
  color: var(--lab);
  border: 1px solid rgba(var(--lab-r), .35);
  background: rgba(var(--lab-r), .08);
  border-radius: var(--f-rpill);
  padding: 7px 14px;
  margin-bottom: 22px;
}
.lab-domain::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--lab);
  box-shadow: 0 0 8px var(--lab);
}
.lab-hero h1 {
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  font-size: clamp(40px, 6.5vw, 76px);
  line-height: .95;
  letter-spacing: -0.035em;
  font-weight: 400;
  margin: 0 0 26px;
  max-width: 780px;
}
.lab-hero h1 em { font-style: italic; color: var(--lab); }
.lab-hero .lab-lede {
  max-width: 620px;
  font-size: 17px;
  line-height: 1.65;
  color: var(--text-dim);
  margin: 0;
}
.lab-hero .lab-lede strong { color: var(--text); font-weight: 500; }

/* ===================== Learning vector (principles) ===================== */
.lab-vectors {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 32px;
}

/* ===================== Products grid (reuse .proj from main.css) ===================== */
.lab-products { margin-top: 24px; }

/* ===================== Workshops ===================== */
.lab-wk { margin-bottom: 0; }

/* ===================== Hub — lab cards grid ===================== */
.lab-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.lab-card {
  position: relative;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--f-stroke1);
  border-radius: 16px;
  background: var(--f-bg3);
  padding: 30px 28px 26px;
  overflow: hidden;
  box-shadow: var(--f-shadow2);
  transition: transform var(--f-normal) var(--f-ease),
              box-shadow var(--f-normal) var(--f-ease),
              border-color var(--f-normal) var(--f-ease),
              background var(--f-normal) var(--f-ease);
}
.lab-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 0% 0%, rgba(var(--lcr), .10) 0%, transparent 60%);
  pointer-events: none;
  opacity: .7;
  transition: opacity var(--f-normal) var(--f-ease);
}
.lab-card:hover {
  transform: translateY(-4px);
  border-color: rgba(var(--lcr), .5);
  background: var(--f-bg2);
  box-shadow: 0 8px 28px rgba(var(--lcr), .10), var(--f-shadow8);
}
.lab-card:hover::before { opacity: 1; }
.lab-card-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
  position: relative;
}
.lab-card-name {
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--lcol);
  line-height: 1;
}
.lab-card-domain {
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  font-size: 11px;
  color: var(--text-faint);
  letter-spacing: 0.06em;
}
.lab-card h4 {
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  font-size: 21px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 0 0 10px;
  position: relative;
}
.lab-card p {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.55;
  margin: 0 0 20px;
  position: relative;
}
.lab-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: auto 0 0;
  position: relative;
}
.lab-chip {
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  font-size: 10px;
  color: var(--text-dim);
  padding: 4px 9px;
  border: 1px solid var(--border);
  border-radius: var(--f-rpill);
  background: rgba(255,255,255,0.02);
}
.lab-card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  transition: color .2s;
  position: relative;
}
.lab-card:hover .lab-card-link { color: var(--lcol); }

/* per-lab card colours (hub) */
.lab-card--spark  { --lcol:#ff6b35; --lcr:255,107,53; }
.lab-card--nimble { --lcol:#4ade80; --lcr:74,222,128; }
.lab-card--wave   { --lcol:#67e8f9; --lcr:103,232,249; }
.lab-card--ludens { --lcol:#e879f9; --lcr:232,121,249; }

/* ===================== Hub — cycle loop ===================== */
.cycle {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  margin-top: 8px;
}
.cyc {
  position: relative;
  background: var(--f-bg3);
  border: 1px solid var(--f-stroke1);
  border-radius: var(--f-r8);
  padding: 22px 18px 20px;
  transition: transform var(--f-normal) var(--f-ease), box-shadow var(--f-normal) var(--f-ease), border-color var(--f-normal) var(--f-ease);
}
.cyc:hover {
  transform: translateY(-3px);
  border-color: rgba(212,255,58,.4);
  box-shadow: var(--f-shadow8);
}
.cyc:first-child { border-color: rgba(212,255,58,.35); }
.cyc:nth-last-child(2) { border-color: rgba(212,255,58,.35); }
.cyc-num {
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  font-style: italic;
  font-size: 18px;
  color: var(--text-faint);
  display: block;
  margin-bottom: 10px;
  transition: color .3s;
}
.cyc:hover .cyc-num { color: var(--accent); }
.cyc h5 {
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin: 0 0 8px;
}
.cyc p {
  font-size: 12.5px;
  color: var(--text-dim);
  line-height: 1.5;
  margin: 0;
}
/* connector arrows between steps */
.cyc:not(:last-child)::after {
  content: '→';
  position: absolute;
  top: 24px;
  right: -13px;
  z-index: 2;
  color: var(--accent);
  font-size: 14px;
  opacity: .8;
}
.cyc-loop {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px 0;
  border-top: 1px dashed var(--border);
  margin-top: 10px;
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  font-size: 12px;
  color: var(--text-faint);
  letter-spacing: 0.04em;
}
.cyc-loop::before {
  content: '⟲';
  color: var(--accent);
  font-size: 18px;
}

/* ===================== Responsive ===================== */
@media (max-width: 900px) {
  .lab-cards, .lab-vectors, .cycle { grid-template-columns: 1fr; }
  .lab-hero { padding: 50px 24px 40px; }
  .cyc:not(:last-child)::after { content: '↓'; top: auto; bottom: -22px; right: 22px; }
  .cyc { padding-bottom: 26px; }
  .cyc-loop { flex-direction: column; align-items: flex-start; gap: 6px; }
}